Elite Tactical Systems Carbon Smoke S&W M&P 9mm 21 Round Pistol Magazine Black. Ets Mags Come With Enhanced Features Like Non-tilt Followers Creep-resistant Feed Lips And Clear Body Allowing You To See Count And Ammo Type - Leaving Nothing To Chance. Specifications for Elite Tactical Systems Carbon Smoke S&W M&P 9mm 21 Round Pistol Magazine: Manufacturer: Elite Tactical Systems Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P Caliber: 9mm Luger Magazine Capacity: 21 Round Color: Black Fabric/Material: Polymer Features of Elite Tactical Systems Carbon Smoke S&W M&P 9mm 21 Round Pistol Magazine:Extreme impact resistance - won't crack or break when droppedVery resistant to harsh chemicalsSuperior heat cold and UV resistance - won't become brittle over time even when exposed to harsh environments or extreme coldTranslucent body - allowing you to see your ammo count and typeCreep resistant - the feed lips and body won't spread when being stored long term even when fully loaded Package Contents: Elite Tactical Systems Carbon Smoke S&W M&P 9mm 21 Round Pistol Magazine What firearm models does the manufacturer say Elite Tactical Systems Carbon Smoke S&W M&P 9mm 21 Round Pistol Magazine is compatible with? The manufacturer suggests that Elite Tactical Systems Carbon Smoke S&W M&P 9mm 21 Round Pistol Magazine is compatible with Smith & Wesson M&PElite Tactical Systems SMK-SW9-MP-21: Carbon Smoke S&W M&P 9mm 22 Round Pistol Magazine Black 21